CLDR
CLDR (Common Locale Data Repository) is a project by the Unicode Consortium that provides locale data for software internationalization and localization, including formats for dates, times, numbers, currencies, and language names. It is a key resource for developers building applications that need to support multiple languages and regions, ensuring consistency and correctness in locale-specific formatting. The data is widely used in programming languages, frameworks, and libraries to handle internationalization tasks.
Developers should learn and use CLDR when building applications that require internationalization (i18n) or localization (l10n), such as web apps, mobile apps, or desktop software targeting global audiences. It is essential for ensuring that date, time, number, and currency formats are culturally appropriate and accurate across different locales, reducing errors and improving user experience in multilingual environments. For example, it helps display dates as '12/31/2023' in the US vs. '31/12/2023' in the UK.